Need a change of serial? It's not too late to taste-test these

Spring is the time for weeding: for gardeners, a time to yank and replant; for TV watchers, a time to clear the dead underbrush from the viewing calendar and start anew. Maybe a favorite show's been canceled; maybe the midseason replacements weren't what you hoped for; maybe you've fallen out of love with a fall fling. Whatever the reason, here are six current dramas worth transplanting into your weekly rotation before rerun season starts.

THE SHIELD (FX, TUESDAYS, 10 P.M. E.T.) If you're suffering NYPD Blue withdrawal, this is its 21st century equivalent. The fourth season introduces Glenn Close as the...